Ball display apparatus



FIG. 1 is a perspective of a ball display apparatus showing my new design;

FIG. 2 is a front elevational view thereof, the right, left and rear elevations being identical thereto;

FIG. 3 is a top plan view there; and,

FIG. 4 is a bottom plan view thereof. 

The ornamental design for a ball display apparatus, as shown and described. 